Taking place annually in The Woodlands of Dover, DE., Firefly Music Festival is the east coast’s largest music and camping festival. Featuring incredible live performances by genre-bending artists, unique food and drink vendors and a one-of-a-kind onsite camping experience, The Great Atlantic Campout, Firefly Music Festival, has become a can’t miss summer event for legions of fans. The 2019 festival will take place June 21 - 23.